224 lines
7.1 KiB
C++
224 lines
7.1 KiB
C++
/*************************************************************************
|
|
*
|
|
* $RCSfile: ByteChucker.cxx,v $
|
|
*
|
|
* $Revision: 1.11 $
|
|
*
|
|
* last change: $Author: mtg $ $Date: 2001-07-04 14:56:24 $
|
|
*
|
|
* The Contents of this file are made available subject to the terms of
|
|
* either of the following licenses
|
|
*
|
|
* - GNU Lesser General Public License Version 2.1
|
|
* - Sun Industry Standards Source License Version 1.1
|
|
*
|
|
* Sun Microsystems Inc., October, 2000
|
|
*
|
|
* GNU Lesser General Public License Version 2.1
|
|
* =============================================
|
|
* Copyright 2000 by Sun Microsystems, Inc.
|
|
* 901 San Antonio Road, Palo Alto, CA 94303, USA
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License version 2.1, as published by the Free Software Foundation.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*
|
|
*
|
|
* Sun Industry Standards Source License Version 1.1
|
|
* =================================================
|
|
* The contents of this file are subject to the Sun Industry Standards
|
|
* Source License Version 1.1 (the "License"); You may not use this file
|
|
* except in compliance with the License. You may obtain a copy of the
|
|
* License at http://www.openoffice.org/license.html.
|
|
*
|
|
* Software provided under this License is provided on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
|
|
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
|
|
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
|
|
* See the License for the specific provisions governing your rights and
|
|
* obligations concerning the Software.
|
|
*
|
|
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
|
|
*
|
|
* Copyright: 2000 by Sun Microsystems, Inc.
|
|
*
|
|
* All Rights Reserved.
|
|
*
|
|
* Contributor(s): Martin Gallwey (gallwey@sun.com)
|
|
*
|
|
*
|
|
************************************************************************/
|
|
#ifndef _BYTE_CHUCKER_HXX_
|
|
#include <ByteChucker.hxx>
|
|
#endif
|
|
#ifndef _PACKAGE_CONSTANTS_HXX_
|
|
#include <PackageConstants.hxx>
|
|
#endif
|
|
#include <memory.h> //for memcpy
|
|
|
|
using namespace ::com::sun::star::io;
|
|
using namespace ::com::sun::star::uno;
|
|
using namespace ::com::sun::star::lang;
|
|
|
|
ByteChucker::ByteChucker(Reference<XOutputStream> xOstream)
|
|
: xStream(xOstream)
|
|
, xSeek (xOstream, UNO_QUERY )
|
|
, a1Sequence ( 1 )
|
|
, a2Sequence ( 2 )
|
|
, a4Sequence ( 4 )
|
|
, aBuffer ( n_ConstNonSpannableBufferSize )
|
|
, p1Sequence ( a1Sequence.getArray() )
|
|
, p2Sequence ( a2Sequence.getArray() )
|
|
, p4Sequence ( a4Sequence.getArray() )
|
|
, pBuffer ( aBuffer.getArray() )
|
|
, nBufferSize ( n_ConstNonSpannableBufferSize )
|
|
, nCurrentBufferPos ( 0 )
|
|
, bSpannable ( sal_True )
|
|
, bNextWriteIsAtomic ( sal_False )
|
|
{
|
|
}
|
|
|
|
ByteChucker::~ByteChucker()
|
|
{
|
|
}
|
|
|
|
// XOutputStream chained...
|
|
void SAL_CALL ByteChucker::writeBytes( const Sequence< sal_Int8 >& aData, sal_Int32 nLength, const sal_Int8 * const pData )
|
|
throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
|
|
{
|
|
if ( !bSpannable )
|
|
{
|
|
if ( nLength < 0 )
|
|
nLength = aData.getLength();
|
|
if (nLength > nBufferSize )
|
|
{
|
|
do
|
|
nBufferSize *= 2;
|
|
while ( nLength > nBufferSize );
|
|
|
|
aBuffer.realloc ( nBufferSize );
|
|
}
|
|
memcpy ( pBuffer + nCurrentBufferPos, pData ? pData : aData.getConstArray(), nLength);
|
|
nCurrentBufferPos += nLength;
|
|
}
|
|
else
|
|
xStream->writeBytes(aData);
|
|
}
|
|
void SAL_CALL ByteChucker::flush( )
|
|
throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
|
|
{
|
|
xStream->flush();
|
|
}
|
|
void SAL_CALL ByteChucker::closeOutput( )
|
|
throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
|
|
{
|
|
xStream->closeOutput();
|
|
}
|
|
|
|
// XSeekable chained...
|
|
sal_Int64 SAL_CALL ByteChucker::seek( sal_Int64 location )
|
|
throw(IllegalArgumentException, IOException, RuntimeException)
|
|
{
|
|
if (xSeek.is() )
|
|
{
|
|
sal_Int64 nLen = xSeek->getLength();
|
|
if (location > nLen )
|
|
location = nLen;
|
|
xSeek->seek( location );
|
|
return location;
|
|
}
|
|
else
|
|
throw IOException();
|
|
}
|
|
sal_Int64 SAL_CALL ByteChucker::getPosition( )
|
|
throw(IOException, RuntimeException)
|
|
{
|
|
if (xSeek.is() )
|
|
return xSeek->getPosition();
|
|
else
|
|
throw IOException();
|
|
}
|
|
sal_Int64 SAL_CALL ByteChucker::getLength( )
|
|
throw(IOException, RuntimeException)
|
|
{
|
|
if (xSeek.is() )
|
|
return xSeek->getLength();
|
|
else
|
|
throw IOException();
|
|
}
|
|
|
|
void ByteChucker::setSpannable ( sal_Bool bNewSpannable )
|
|
{
|
|
// if current data isn't spannable, then it's been stored in the Buffer
|
|
// until we know how much of it there is. Once we start recieving
|
|
// spannable data again, we'll pass it on
|
|
if (!isSpannable() && bNewSpannable)
|
|
{
|
|
bNextWriteIsAtomic = sal_True;
|
|
sal_Int32 nOldLength = aBuffer.getLength();
|
|
aBuffer.realloc ( nCurrentBufferPos );
|
|
xStream->writeBytes( aBuffer );
|
|
aBuffer.realloc ( nOldLength );
|
|
pBuffer = aBuffer.getArray();
|
|
bNextWriteIsAtomic = sal_False;
|
|
nCurrentBufferPos = 0;
|
|
}
|
|
bSpannable = bNewSpannable;
|
|
}
|
|
|
|
ByteChucker& ByteChucker::operator << (sal_Int8 nInt8)
|
|
{
|
|
p1Sequence[0] = nInt8 & 0xFF;
|
|
writeBytes( a1Sequence, 1, p1Sequence );
|
|
return *this;
|
|
}
|
|
|
|
ByteChucker& ByteChucker::operator << (sal_Int16 nInt16)
|
|
{
|
|
p2Sequence[0] = (nInt16 >> 0 ) & 0xFF;
|
|
p2Sequence[1] = (nInt16 >> 8 ) & 0xFF;
|
|
writeBytes( a2Sequence, 2, p2Sequence );
|
|
return *this;
|
|
}
|
|
ByteChucker& ByteChucker::operator << (sal_Int32 nInt32)
|
|
{
|
|
p4Sequence[0] = (nInt32 >> 0 ) & 0xFF;
|
|
p4Sequence[1] = (nInt32 >> 8 ) & 0xFF;
|
|
p4Sequence[2] = (nInt32 >> 16 ) & 0xFF;
|
|
p4Sequence[3] = (nInt32 >> 24 ) & 0xFF;
|
|
writeBytes( a4Sequence, 4, p4Sequence );
|
|
return *this;
|
|
}
|
|
|
|
ByteChucker& ByteChucker::operator << (sal_uInt8 nuInt8)
|
|
{
|
|
p1Sequence[0] = nuInt8 & 0xFF;
|
|
writeBytes( a1Sequence, 1, p1Sequence );
|
|
return *this;
|
|
}
|
|
ByteChucker& ByteChucker::operator << (sal_uInt16 nuInt16)
|
|
{
|
|
p2Sequence[0] = (nuInt16 >> 0 ) & 0xFF;
|
|
p2Sequence[1] = (nuInt16 >> 8 ) & 0xFF;
|
|
writeBytes( a2Sequence, 2, p2Sequence );
|
|
return *this;
|
|
}
|
|
ByteChucker& ByteChucker::operator << (sal_uInt32 nuInt32)
|
|
{
|
|
p4Sequence[0] = static_cast < sal_Int8 > ((nuInt32 >> 0 ) & 0xFF);
|
|
p4Sequence[1] = static_cast < sal_Int8 > ((nuInt32 >> 8 ) & 0xFF);
|
|
p4Sequence[2] = static_cast < sal_Int8 > ((nuInt32 >> 16 ) & 0xFF);
|
|
p4Sequence[3] = static_cast < sal_Int8 > ((nuInt32 >> 24 ) & 0xFF);
|
|
writeBytes( a4Sequence, 4, p4Sequence );
|
|
return *this;
|
|
}
|